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Mini brains grown in a lab from stem cells spontaneously developed rudimentary eye structures, scientists reported in a fascinating 2021 paper. On tiny, human-derived brain organoids grown in dishes, two bilaterally symmetrical optic cups were seen to grow, mirroring the development of eye structures in human embryos. This incredible result could help us to better
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Cloaked by the shadows of enchanting Asian woodlands, strange growths can be seen peeking out from between leaf litter like the ghosts of long-dead flowers. The plant’s foliage lacks green pigment having forsaken photosynthesis in favor of an alternative source of nutrients on the forest floor, one stolen from fungi many other plants consider friends
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Mummification may never have been intended to preserve the bodies of ancient Egyptians after death, experts say, a sharp contrast to the popular understanding of the practice. An increasing number of archaeologists say that the preservative effects of mummification were likely accidental and blame early modern Egyptologists for propagating a misunderstanding based on little evidence.
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A new analysis of dust retrieved from the Moon suggests that water bound up in the lunar surface could originate with the Sun. More specifically, it could be the result of bombardment of hydrogen ions from the solar wind, slamming into the lunar surface, interacting with mineral oxides, and bonding with the dislodged oxygen. The
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Catastrophic floods, crop-wilting droughts, and record heatwaves this year have shown that climate change warnings are increasingly becoming reality, and this is “just the beginning”, experts say, as international efforts to cut planet-heating emissions founder. The year did see some important progress, with major new legislation, particularly in the United States and Europe, as well
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In re-examining artifacts from a significant 4,000-year-old Bronze Age burial site near Stonehenge in the UK, archaeologists discovered a toolkit for working with gold objects and coatings that hadn’t previously been identified. The site of the find, the Upton Lovell G2a ‘Wessex Culture’ burial area, was excavated more than 200 years ago and is crucial
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Holiday favorite mistletoe – the kissing plant – hides a secret behind its romantic persona. It’s actually a hemi-parasite that attacks living trees. Phoradendron, a genus of mistletoe often used to decorate doors, aptly translates to Greek for “thief of the tree”. Descended from sandalwood, mistletoe has diversified into over a thousand global species. While
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An ancient and well-preserved skeleton – potentially a remnant of a ritual sacrifice practiced over 5,000 years ago – was discovered by archeologists in Denmark. Researchers at ROMU, an organization representing 10 museums in Denmark, had been excavating on the site of a planned housing development in the Egedal Municipality, near Copenhagen. During their survey,